... 10ch,11ch,12ch,13ch,14ch and 15ch wireless remote control switch,AC90v~AC270v or DC6v~12v voltage working circumstance,100m~ ... 50Hz/60Hz or DC12v II:Big load power:1000~5000wIII:Wide operating temperature range:-60~+500oCIV:Optional Frequency:303MHz,315MHz or 433MHzV ... appliance control;3:Agricultual long-distance control;4:Industrial long-range control;5:Door wireless open/close,car multi-route alarm ...